102403631511 has 8 divisors (see below), whose sum is σ = 151709083760. Its totient is φ = 68269087656.

The previous prime is 102403631507. The next prime is 102403631513. The reversal of 102403631511 is 115136304201.

It is a happy number.

102403631511 is a `hidden beast` number, since 1 + 0 + 24 + 0 + 3 + 631 + 5 + 1 + 1 = 666.

It is not a de Polignac number, because 102403631511 - 2² = 102403631507 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 3792727093 = 102403631511 / (1 + 0 + 2 + 4 + 0 + 3 + 6 + 3 + 1 + 5 + 1 + 1).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102403631513) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1896363520 + ... + 1896363573.

It is an arithmetic number, because the mean of its divisors is an integer number (18963635470).

Almost surely, 2^102403631511 is an apocalyptic number.

102403631511 is a deficient number, since it is larger than the sum of its proper divisors (49305452249).

102403631511 is an equidigital number, since it uses as much as digits as its factorization.

102403631511 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3792727102 (or 3792727096 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 27.

Adding to 102403631511 its reverse (115136304201), we get a palindrome (217539935712).

The spelling of 102403631511 in words is "one hundred two billion, four hundred three million, six hundred thirty-one thousand, five hundred eleven".